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BOSTON MARATHON 2023

Lesley Malloch

Bib: 19424•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Masters (Masters Women)
#0 / 6539
Top 17%
Division (F50-54)
#0 / 1207
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:01/mi
24:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
49:48
↑ 79↓ 1380.4%
15K· 9.32 mi
8:06/mi
1:14:58
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:40:12
↑ 106↓ 860.1%
Half· 13.11 mi
7:29/mi
1:45:18
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:05:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:16/mi
2:31:10
↑ 181↓ 1480.2%
20M
8:18/mi
2:42:27
↑ 64↓ 500.2%
21M
8:33/mi
2:51:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:56:48
↑ 17↓ 861.7%
23M
7:54/mi
3:06:42
↑ 23↓ 630.6%
24M
7:44/mi
3:14:26
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:21:12
↓ 200.3%
25.2M
8:07/mi
3:24:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:22/mi
3:31:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:45:18
Pace8:02 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3924:538:0124:53
8:01
-
10K
6.21 mi11:41:3449:488:0124:55
8:01
0:00
15K
9.32 mi12:06:441:14:588:0325:10
8:06
+0:05
20K
12.43 mi12:31:581:40:128:0425:14
8:07
+0:01
Half
13.11 mi12:37:041:45:188:025:06
7:29
-0:38
25K
15.53 mi12:57:142:05:288:0520:10
8:19
+0:50
30K
18.64 mi13:22:562:31:108:0725:42
8:16
-0:03
20M
20.00 mi13:34:132:42:278:0711:17
8:18
+0:02
21M
21.00 mi13:42:462:51:008:098:33
8:33
+0:15
35K
21.75 mi13:48:342:56:488:085:48
7:45
-0:48
23M
23.00 mi13:58:283:06:428:079:54
7:54
+0:09
24M
24.00 mi14:06:123:14:268:067:44
7:44
-0:10
40K
24.85 mi14:12:583:21:128:066:46
7:55
+0:11
25.2M
25.20 mi14:15:463:24:008:062:48
8:07
+0:12
Finish
26.22 mi14:23:163:31:308:047:30
7:22
-0:45

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:22 /mi

Average Pace

8:04 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:46

56% of race

Time at Steady Pace

1:33:44

44% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:16:3924:538:0124:53
8:01
#14093
10K
6.21 mi11:41:3449:488:0124:55
8:01
#14490
15K
9.32 mi12:06:441:14:588:0325:10
8:06
#14684
20K
12.43 mi12:31:581:40:128:0425:14
8:07
#14578
Half
13.11 mi12:37:041:45:188:025:06
7:29
#14343
25K
15.53 mi12:57:142:05:288:0520:10
8:19
#14483
30K
18.64 mi13:22:562:31:108:0725:42
8:16
#14174
20M
20.00 mi13:34:132:42:278:0711:17
8:18
#14027
21M
21.00 mi13:42:462:51:008:098:33
8:33
#13778
35K
21.75 mi13:48:342:56:488:085:48
7:45
#13642
23M
23.00 mi13:58:283:06:428:079:54
7:54
#13335
24M
24.00 mi14:06:123:14:268:067:44
7:44
#13132
40K
24.85 mi14:12:583:21:128:066:46
7:55
#12986
25.2M
25.20 mi14:15:463:24:008:062:48
8:07
#12886
Finish
26.22 mi14:23:163:31:308:047:30
7:22
#12679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi140934084408415173(Top 57%)4773(Top 42%)4773(Top 395%)
10K6.21 mi3.10 mi14490-3974335-2514335-25114952(Top 56%)4639(Top 41%)4639(Top 384%)
15K9.32 mi3.11 mi14684-1944463-1284463-12815173(Top 57%)4773(Top 42%)4773(Top 395%)
20K12.43 mi3.11 mi14578+1064416+474416+4714372(Top 54%)4325(Top 38%)4325(Top 358%)
Half13.11 mi0.68 mi14343+2354282+1344282+13410130(Top 38%)1966(Top 17%)1966(Top 163%)
25K15.53 mi2.42 mi14483-1404390-1084390-10815060(Top 57%)4876(Top 43%)4876(Top 404%)
30K18.64 mi3.11 mi14174+3094246+1444246+14412852(Top 48%)3666(Top 32%)3666(Top 304%)
20M20.00 mi1.36 mi14027+1474178+684178+6812406(Top 47%)3524(Top 31%)3524(Top 292%)
21M21.00 mi1.00 mi13778+2494042+1364042+13610796(Top 41%)2775(Top 24%)2775(Top 230%)
35K21.75 mi0.75 mi13642+1363969+733969+7310379(Top 39%)2568(Top 22%)2568(Top 213%)
23M23.00 mi1.25 mi13335+3073815+1543815+1549157(Top 34%)2120(Top 19%)2120(Top 176%)
24M24.00 mi1.00 mi13132+2033727+883727+889350(Top 35%)2280(Top 20%)2280(Top 189%)
40K24.85 mi0.85 mi12986+1463667+603667+609512(Top 36%)2427(Top 21%)2427(Top 201%)
25.2M25.20 mi0.35 mi12886+1003613+543613+547337(Top 28%)1581(Top 14%)1581(Top 131%)
Finish26.22 mi1.02 mi12679+2073509+1043509+1047553(Top 28%)1658(Top 15%)1658(Top 137%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

15173

Females

4773

F50-54

4773

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14952

Females

4639

F50-54

4639

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

15173

Females

4773

F50-54

4773

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14372

Females

4325

F50-54

4325

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10130

Females

1966

F50-54

1966

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15060

Females

4876

F50-54

4876

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12852

Females

3666

F50-54

3666

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12406

Females

3524

F50-54

3524

20M→21M

20.0 - 21.0 mi

Top 41%
×8story building
+106ft-24ft

Overall

10796

Females

2775

F50-54

2775

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10379

Females

2568

F50-54

2568

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

9157

Females

2120

F50-54

2120

23M→24M

23.0 - 24.0 mi

Top 35%
×6story building
+12ft-82ft

Overall

9350

Females

2280

F50-54

2280

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9512

Females

2427

F50-54

2427

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7337

Females

1581

F50-54

1581

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7553

Females

1658

F50-54

1658

Passing Analysis

Category:
Athletes Passed
2762
Passed By
1348
Net Change
+1414
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14093
5K → 10K135532-397#14093#14490
10K → 15K131325-194#14490#14684
15K → 20K242136+106#14684#14578
20K → Half2350+235#14578#14343
Half → 25K105245-140#14343#14483
25K → 30K36253+309#14483#14174
30K → 20M17023+147#14174#14027
20M → 21M2589+249#14027#13778
21M → 35K1382+136#13778#13642
35K → 23M3103+307#13642#13335
23M → 24M2129+203#13335#13132
24M → 40K1526+146#13132#12986
40K → 25.2M1000+100#12986#12886
25.2M → Finish2125+207#12886#12679
TOTALS27621348+1414
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing